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perf trace-event: Constify print arguments

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Capture that these functions don't mutate their input.

Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ben Gainey <ben.gainey@arm.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Dominique Martinet <asmadeus@codewreck.org>
Cc: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Paran Lee <p4ranlee@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steinar H. Gunderson <sesse@google.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Falcon <thomas.falcon@intel.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Yang Jihong <yangjihong@bytedance.com>
Cc: Yang Li <yang.lee@linux.alibaba.com>
Cc: Ze Gao <zegao2021@gmail.com>
Cc: Zixian Cai <fzczx123@gmail.com>
Cc: zhaimingbing <zhaimingbing@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20241118225345.889810-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2024-11-18 14:53:41 -08:00 • committed by Arnaldo Carvalho de Melo
parent 05be17eed7
commit f7264150b4
2 changed files with 2 additions and 2 deletions
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2
tools/perf/util/trace-event-parse.c
View file

@ -99,7 +99,7 @@ unsigned long long read_size(struct tep_event *event, void *ptr, int size)
return tep_read_number(event->tep, ptr, size);
}
void event_format__fprintf(struct tep_event *event,
void event_format__fprintf(const struct tep_event *event,
int cpu, void *data, int size, FILE *fp)
{
struct tep_record record;

2
tools/perf/util/trace-event.h
View file

@ -39,7 +39,7 @@ trace_event__tp_format(const char *sys, const char *name);
struct tep_event *trace_event__tp_format_id(int id);
void event_format__fprintf(struct tep_event *event,
void event_format__fprintf(const struct tep_event *event,
int cpu, void *data, int size, FILE *fp);
int parse_ftrace_file(struct tep_handle *pevent, char *buf, unsigned long size);